{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950339,-0.311216,0.000000,0.000000,0.173940,-0.531148,0.829233,0.000000,-0.257527,0.786393,0.561485,0.000000,-1644278.474578,5021024.238542,3561015.733150,1],    "boundingVolume": {    "region": [1.887193,0.596087,1.887344,0.596272,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431939.b3dm"}}}